由其分销商提供的 Keystone 7200 的描述。
Spacer Bolt Material, bolt: CuZn(Sn) Thread D: UNC 4-40 L: 9.53 mm P1: 6.35 mm P2: 4.75 mm
Threaded Standoff Brass Nickel Plate 4-40 Male x 4-40 Female 0.375 in. L Spacer
Standoff Hex M/F 4-40-THD 6.4mm-A/F 4.7mm-LG Brass ASTM B16 Nickel QQ-N-290